(No. 248: Jan. 22, 2001)
Wedging in with Black 1 is vital.
After White 2, Black wins the capturing race with 3 to 9.

Elementary level: Wrong Answer
Black 1 allows White to connect at 2
and loses the capturing race.

Black 1 is the vital point.
If White 2, Black kills White with 3 to 7.
If White 2 at 3, Black 2 kills White.

| : | connects at |
Black 1 first, and then 3 is also correct.

Intermediate level: Wrong Answer 1
Black 3 allows White the vital point 4 to live.

Intermediate level: Wrong Answer 2
Black 1 is wrong.
After Black 3, White lives with 4 in a Seki.
If Black 3 at 4, White lives with 3.
